Numbers informed by interaction with the worldwide community of Dewey users

A complete overhaul to the representation of groups of people

Revisions to several standard subdivisions

Elimination of dual headings and unbalanced spans

A minimal price increase

Current WebDewey subscribers can access the new system with their existing authorizations and passwords at WebDewey. The existing WebDewey interface will be available until mid 2011, at which time users will be redirected to the new service. Abridged 15 and Abridged WebDewey 2.0 will be available later in 2011.